Add -timelimit option
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
f57620d5
MR
3# FFmpeg configure script
4#
949906ea
DB
5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
79ab96ba
DB
11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
c21d6325
MR
15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
c21d6325
MR
20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
0dbe81bb
MR
24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
0dbe81bb
MR
27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
c21d6325
MR
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
MR
43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
505dfb09
DB
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
c21d6325
MR
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
cde2d79a
MR
54 exit 1
55fi
56
74c53c2d 57show_help(){
06454877
MR
58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffserver disable ffserver build
86 --enable-postproc enable GPLed postprocessing support [no]
87 --enable-avfilter video filter support [no]
88 --enable-avfilter-lavf video filters dependent on avformat [no]
89 --enable-beosthreads use BeOS threads [no]
90 --enable-os2threads use OS/2 threads [no]
91 --enable-pthreads use pthreads [no]
92 --enable-w32threads use Win32 threads [no]
93 --enable-x11grab enable X11 grabbing [no]
94 --disable-network disable network support [no]
95 --disable-ipv6 disable IPv6 support [no]
96 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
97 --enable-gray enable full grayscale support (slower color)
98 --disable-swscale-alpha disable alpha channel support in swscale
99 --disable-fastdiv disable table-based division
100 --enable-small optimize for size instead of speed
101 --disable-aandct disable AAN DCT code
7f3f5f46 102 --disable-dct disable DCT code
06454877
MR
103 --disable-fft disable FFT code
104 --disable-golomb disable Golomb code
105 --disable-lpc disable LPC code
106 --disable-mdct disable MDCT code
107 --disable-rdft disable RDFT code
108 --disable-vaapi disable VAAPI code
109 --disable-vdpau disable VDPAU code
110 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
111 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
112 --enable-memalign-hack emulate memalign, interferes with memory debuggers
113 --enable-beos-netserver enable BeOS netserver
114 --disable-encoder=NAME disable encoder NAME
115 --enable-encoder=NAME enable encoder NAME
116 --disable-encoders disable all encoders
117 --disable-decoder=NAME disable decoder NAME
118 --enable-decoder=NAME enable decoder NAME
119 --disable-decoders disable all decoders
120 --disable-hwaccel=NAME disable hwaccel NAME
121 --enable-hwaccel=NAME enable hwaccel NAME
122 --disable-hwaccels disable all hwaccels
123 --disable-muxer=NAME disable muxer NAME
124 --enable-muxer=NAME enable muxer NAME
125 --disable-muxers disable all muxers
126 --disable-demuxer=NAME disable demuxer NAME
127 --enable-demuxer=NAME enable demuxer NAME
128 --disable-demuxers disable all demuxers
129 --enable-parser=NAME enable parser NAME
130 --disable-parser=NAME disable parser NAME
131 --disable-parsers disable all parsers
132 --enable-bsf=NAME enable bitstream filter NAME
133 --disable-bsf=NAME disable bitstream filter NAME
134 --disable-bsfs disable all bitstream filters
135 --enable-protocol=NAME enable protocol NAME
136 --disable-protocol=NAME disable protocol NAME
137 --disable-protocols disable all protocols
138 --disable-indev=NAME disable input device NAME
139 --disable-outdev=NAME disable output device NAME
140 --disable-indevs disable input devices
141 --disable-outdevs disable output devices
142 --disable-devices disable all devices
143 --enable-filter=NAME enable filter NAME
144 --disable-filter=NAME disable filter NAME
145 --disable-filters disable all filters
146 --list-decoders show all available decoders
147 --list-encoders show all available encoders
148 --list-hwaccels show all available hardware accelerators
149 --list-muxers show all available muxers
150 --list-demuxers show all available demuxers
151 --list-parsers show all available parsers
152 --list-protocols show all available protocols
153 --list-bsfs show all available bitstream filters
154 --list-indevs show all available input devices
155 --list-outdevs show all available output devices
156 --list-filters show all available filters
157
158External library support:
159 --enable-avisynth enable reading of AVISynth script files [no]
160 --enable-bzlib enable bzlib [autodetect]
161 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
162 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
163 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
164 and libraw1394 [no]
165 --enable-libdirac enable Dirac support via libdirac [no]
166 --enable-libfaac enable FAAC support via libfaac [no]
167 --enable-libfaad enable FAAD support via libfaad [no]
168 --enable-libfaadbin open libfaad.so.0 at runtime [no]
169 --enable-libgsm enable GSM support via libgsm [no]
170 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
171 --enable-libnut enable NUT (de)muxing via libnut,
172 native (de)muxer exists [no]
173 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
174 --enable-libschroedinger enable Dirac support via libschroedinger [no]
175 --enable-libspeex enable Speex decoding via libspeex [no]
176 --enable-libtheora enable Theora encoding via libtheora [no]
177 --enable-libvorbis enable Vorbis encoding via libvorbis,
178 native implementation exists [no]
179 --enable-libx264 enable H.264 encoding via x264 [no]
180 --enable-libxvid enable Xvid encoding via xvidcore,
181 native MPEG-4/Xvid encoder exists [no]
182 --enable-mlib enable Sun medialib [no]
183 --enable-zlib enable zlib [autodetect]
184
185Advanced options (experts only):
186 --source-path=PATH path to source code [$source_path]
187 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
188 --enable-cross-compile assume a cross-compiler is used
189 --sysroot=PATH root of cross-build tree
190 --sysinclude=PATH location of cross-build system headers
191 --target-os=OS compiler targets OS [$target_os]
192 --target-exec=CMD command to run executables on target
193 --target-path=DIR path to view of build directory on target
194 --nm=NM use nm tool
195 --as=AS use assembler AS [$as_default]
196 --cc=CC use C compiler CC [$cc_default]
197 --ld=LD use linker LD
198 --host-cc=HOSTCC use host C compiler HOSTCC
199 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
200 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
201 --host-libs=HLIBS use libs HLIBS when linking for host
202 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
203 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
204 --extra-libs=ELIBS add ELIBS [$ELIBS]
205 --extra-version=STRING version string suffix []
206 --build-suffix=SUFFIX library name suffix []
207 --arch=ARCH select architecture [$arch]
208 --cpu=CPU select the minimum required CPU (affects
209 instruction selection, may crash on older CPUs)
210 --enable-powerpc-perf enable performance report on PPC
211 (requires enabling PMC)
c8a4ae00 212 --disable-asm disable all assembler optimizations
06454877
MR
213 --disable-altivec disable AltiVec optimizations
214 --disable-amd3dnow disable 3DNow! optimizations
215 --disable-amd3dnowext disable 3DNow! extended optimizations
216 --disable-mmx disable MMX optimizations
217 --disable-mmx2 disable MMX2 optimizations
218 --disable-sse disable SSE optimizations
219 --disable-ssse3 disable SSSE3 optimizations
220 --disable-armv5te disable armv5te optimizations
221 --disable-armv6 disable armv6 optimizations
222 --disable-armv6t2 disable armv6t2 optimizations
223 --disable-armvfp disable ARM VFP optimizations
224 --disable-iwmmxt disable iwmmxt optimizations
225 --disable-mmi disable MMI optimizations
226 --disable-neon disable neon optimizations
227 --disable-vis disable VIS optimizations
228 --disable-yasm disable use of yasm assembler
229 --enable-pic build position-independent code
230
231Developer options (useful when working on FFmpeg itself):
232 --disable-debug disable debugging symbols
233 --enable-debug=LEVEL set the debug level [$debuglevel]
234 --enable-gprof enable profiling with gprof [$gprof]
235 --disable-optimizations disable compiler optimizations
236 --enable-extra-warnings enable more compiler warnings
237 --disable-stripping disable stripping of executables and shared libraries
238
239NOTE: Object files are built at the place where configure is launched.
240EOF
60e8bc13 241 exit 0
74c53c2d 242}
cf9d24ad 243
57bd82d4 244log(){
2270b4b2 245 echo "$@" >> $logfile
57bd82d4
MR
246}
247
720c69da 248log_file(){
c8e9f801 249 log BEGIN $1
2270b4b2 250 pr -n -t $1 >> $logfile
c8e9f801
MR
251 log END $1
252}
253
2ba042a7 254echolog(){
c8e9f801 255 log "$@"
57bd82d4 256 echo "$@"
2ba042a7
MR
257}
258
259die(){
260 echolog "$@"
261 cat <<EOF
d326cf7f 262
2ba042a7
MR
263If you think configure made a mistake, make sure you are using the latest
264version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 265ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 266EOF
e155a21a 267 if disabled logging; then
2ba042a7 268 cat <<EOF
e155a21a
DB
269Rerun configure with logging enabled (do not use --disable-logging), and
270include the log this produces with your report.
2ba042a7
MR
271EOF
272 else
273cat <<EOF
e155a21a
DB
274Include the log file "$logfile" produced by configure as this will help
275solving the problem.
2ba042a7
MR
276EOF
277 fi
57bd82d4
MR
278 exit 1
279}
280
6c6007d6 281# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 282toupper(){
6c6007d6 283 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
44161118
MR
284}
285
4a5444db 286tolower(){
6c6007d6 287 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
4a5444db
MR
288}
289
14a8acf1
MR
290c_escape(){
291 echo "$*" | sed 's/["\\]/\\\0/g'
292}
293
b04251c5
MR
294sh_quote(){
295 v=$(echo "$1" | sed "s/'/'\\\\''/g")
296 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
297 echo "$v"
298}
299
be8f2501
MR
300filter(){
301 pat=$1
302 shift
303 for v; do
98ef6079 304 eval "case $v in $pat) echo $v ;; esac"
be8f2501
MR
305 done
306}
307
a8d04fba
MR
308set_all(){
309 value=$1
310 shift
311 for var in $*; do
312 eval $var=$value
313 done
314}
315
72a43668
MR
316set_weak(){
317 value=$1
318 shift
319 for var; do
320 eval : \${$var:=$value}
321 done
322}
323
799c9e9b
MR
324pushvar(){
325 for var in $*; do
326 eval level=\${${var}_level:=0}
327 eval ${var}_${level}="\$$var"
328 eval ${var}_level=$(($level+1))
329 done
330}
331
332popvar(){
333 for var in $*; do
334 eval level=\${${var}_level:-0}
335 test $level = 0 && continue
336 eval level=$(($level-1))
337 eval $var="\${${var}_${level}}"
338 eval ${var}_level=$level
339 eval unset ${var}_${level}
340 done
341}
342
a8d04fba
MR
343enable(){
344 set_all yes $*
345}
346
347disable(){
348 set_all no $*
349}
350
72a43668
MR
351enable_weak(){
352 set_weak yes $*
353}
354
355disable_weak(){
356 set_weak no $*
357}
358
72702705 359enable_safe(){
fd07f803
MR
360 for var; do
361 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
362 done
72702705
MR
363}
364
365disable_safe(){
fd07f803
MR
366 for var; do
367 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
368 done
72702705
MR
369}
370
f9d328da
MR
371do_enable_deep(){
372 for var; do
373 enabled $var && continue
374 eval sel="\$${var}_select"
c510c7b5
MR
375 eval sgs="\$${var}_suggest"
376 pushvar var sgs
f9d328da 377 enable_deep $sel
c510c7b5
MR
378 popvar sgs
379 enable_deep_weak $sgs
f9d328da
MR
380 popvar var
381 done
382}
383
384enable_deep(){
385 do_enable_deep $*
386 enable $*
387}
388
72a43668
MR
389enable_deep_weak(){
390 do_enable_deep $*
391 enable_weak $*
392}
393
57bd82d4 394enabled(){
3250003c
MR
395 test "${1#!}" = "$1" && op== || op=!=
396 eval test "x\$${1#!}" $op "xyes"
44161118
MR
397}
398
37970ebf 399disabled(){
3250003c
MR
400 test "${1#!}" = "$1" && op== || op=!=
401 eval test "x\$${1#!}" $op "xno"
37970ebf
RP
402}
403
44161118
MR
404enabled_all(){
405 for opt; do
406 enabled $opt || return 1
407 done
408}
409
85bca2c5
DB
410disabled_all(){
411 for opt; do
412 disabled $opt || return 1
413 done
414}
415
44161118
MR
416enabled_any(){
417 for opt; do
418 enabled $opt && return 0
419 done
420}
421
85bca2c5
DB
422disabled_any(){
423 for opt; do
424 disabled $opt && return 0
425 done
f7b230a7 426 return 1
85bca2c5
DB
427}
428
c9d19248
MR
429set_default(){
430 for opt; do
88268e94 431 eval : \${$opt:=\$${opt}_default}
c9d19248
MR
432 done
433}
434
4a0d6686
AJ
435is_in(){
436 value=$1
437 shift
438 for var in $*; do
439 [ $var = $value ] && return 0
440 done
441 return 1
442}
443
30fd06be
MR
444check_deps(){
445 for cfg; do
3250003c 446 cfg="${cfg#!}"
799c9e9b
MR
447 enabled ${cfg}_checking && die "Circular dependency for $cfg."
448 disabled ${cfg}_checking && continue
449 enable ${cfg}_checking
450
30fd06be
MR
451 eval dep_all="\$${cfg}_deps"
452 eval dep_any="\$${cfg}_deps_any"
7ef3425f 453 eval dep_sel="\$${cfg}_select"
c510c7b5 454 eval dep_sgs="\$${cfg}_suggest"
3d7453e0
MR
455 eval dep_ifa="\$${cfg}_if"
456 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 457
3d7453e0
MR
458 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
459 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
460 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 461
3d7453e0
MR
462 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
463 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
6a702d4c
MR
464 enabled_all $dep_all || disable $cfg
465 enabled_any $dep_any || disable $cfg
7ef3425f 466 disabled_any $dep_sel && disable $cfg
799c9e9b 467
4ec45764
RP
468 if enabled $cfg; then
469 eval dep_extralibs="\$${cfg}_extralibs"
470 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 471 enable_deep $dep_sel
c510c7b5 472 enable_deep_weak $dep_sgs
4ec45764
RP
473 fi
474
799c9e9b 475 disable ${cfg}_checking
30fd06be
MR
476 done
477}
478
44161118
MR
479print_config(){
480 pfx=$1
481 header=$2
482 makefile=$3
483 shift 3
484 for cfg; do
5e622c40 485 ucname="$(toupper $cfg)"
44161118 486 if enabled $cfg; then
3d907e22 487 echo "#define ${pfx}${ucname} 1" >> $header
3d907e22
MR
488 echo "${pfx}${ucname}=yes" >> $makefile
489 else
b250f9c6 490 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 491 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
MR
492 fi
493 done
57bd82d4
MR
494}
495
496flags_saved(){
2270b4b2 497 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
MR
498}
499
dcd479c0 500save_flags(){
57bd82d4 501 flags_saved && return
dcd479c0
MR
502 SAVE_CFLAGS="$CFLAGS"
503 SAVE_LDFLAGS="$LDFLAGS"
504 SAVE_extralibs="$extralibs"
505}
506
507restore_flags(){
f5d28d10 508 flags_saved || return
dcd479c0
MR
509 CFLAGS="$SAVE_CFLAGS"
510 LDFLAGS="$SAVE_LDFLAGS"
511 extralibs="$SAVE_extralibs"
512 unset SAVE_CFLAGS
513 unset SAVE_LDFLAGS
514 unset SAVE_extralibs
515}
516
517temp_cflags(){
518 save_flags
519 CFLAGS="$CFLAGS $*"
520}
521
522temp_ldflags(){
523 save_flags
524 LDFLAGS="$LDFLAGS $*"
525}
526
527temp_extralibs(){
528 save_flags
529 extralibs="$extralibs $*"
530}
531
57bd82d4
MR
532append(){
533 var=$1
534 shift
535 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
536 eval "$var=\"\$$var $*\""
537}
538
50a334e4 539add_cppflags(){
caf458dd 540 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
541}
542
57bd82d4 543add_cflags(){
caf458dd 544 append CFLAGS $($filter_cflags "$@")
57bd82d4
MR
545}
546
2f2e6c7c 547add_asflags(){
caf458dd 548 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
MR
549}
550
57bd82d4
MR
551add_ldflags(){
552 append LDFLAGS "$@"
553}
554
555add_extralibs(){
556 append extralibs "$@"
557}
558
b0cfb663 559check_cmd(){
b3cb5d51 560 log "$@"
2270b4b2 561 "$@" >> $logfile 2>&1
b0cfb663
MR
562}
563
dcd479c0 564check_cc(){
57bd82d4 565 log check_cc "$@"
2270b4b2 566 cat > $TMPC
720c69da 567 log_file $TMPC
50a334e4 568 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
569}
570
571check_cpp(){
572 log check_cpp "$@"
2270b4b2 573 cat > $TMPC
720c69da 574 log_file $TMPC
9e7f3277 575 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
MR
576}
577
f65883c8
MR
578check_as(){
579 log check_as "$@"
580 cat > $TMPC
581 log_file $TMPC
2f2e6c7c 582 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
MR
583}
584
940f335a
MR
585check_asm(){
586 log check_asm "$@"
587 name="$1"
3784e82e 588 code="$2"
940f335a 589 shift 2
49214f61
MR
590 disable $name
591 check_as "$@" <<EOF && enable $name
3784e82e 592void foo(void){ __asm__ volatile($code); }
940f335a
MR
593EOF
594}
595
304d586d
LM
596check_yasm(){
597 log check_yasm "$@"
598 echo "$1" > $TMPS
599 log_file $TMPS
600 shift 1
601 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
602}
603
dcd479c0 604check_ld(){
57bd82d4 605 log check_ld "$@"
3155a644
MR
606 flags=''
607 libs=''
608 for f; do
609 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
610 done
2a194acd 611 check_cc $($filter_cflags $flags) || return
684b28e0 612 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
613}
614
50a334e4
MR
615check_cppflags(){
616 log check_cppflags "$@"
caf458dd
MR
617 set -- $($filter_cppflags "$@")
618 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
619int x;
620EOF
621}
622
dcd479c0 623check_cflags(){
57bd82d4 624 log check_cflags "$@"
caf458dd
MR
625 set -- $($filter_cflags "$@")
626 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
627int x;
628EOF
629}
630
2ed46eea
MR
631test_ldflags(){
632 log test_ldflags "$@"
633 check_ld "$@" <<EOF
c23a0ac8 634int main(void){ return 0; }
dcd479c0
MR
635EOF
636}
637
2ed46eea
MR
638check_ldflags(){
639 log check_ldflags "$@"
640 test_ldflags "$@" && add_ldflags "$@"
641}
642
dcd479c0 643check_header(){
57bd82d4 644 log check_header "$@"
dcd479c0
MR
645 header=$1
646 shift
b77df637
MR
647 disable_safe $header
648 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
649#include <$header>
650int x;
651EOF
652}
653
654check_func(){
57bd82d4 655 log check_func "$@"
dcd479c0
MR
656 func=$1
657 shift
d8bc5f06
MR
658 disable $func
659 check_ld "$@" <<EOF && enable $func
dcd479c0 660extern int $func();
c23a0ac8 661int main(void){ $func(); }
dcd479c0
MR
662EOF
663}
664
2446d3d6
DB
665check_func_headers(){
666 log check_func_headers "$@"
f8d7b072
MR
667 headers=$1
668 func=$2
669 shift 2
670 disable $func
671 incs=""
672 for hdr in $headers; do
673 incs="$incs
674#include <$hdr>"
675 done
cd0d9a9d 676 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 677$incs
d6773f56 678int main(int argc, char **argv){
2b2c2a81 679 return (long) $func;
f8d7b072
MR
680}
681EOF
682}
683
a5344cf7
SS
684check_cpp_condition(){
685 log check_cpp_condition "$@"
686 header=$1
687 condition=$2
f855b7b9
MR
688 shift 2
689 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
690#include <$header>
691#if !($condition)
692#error "unsatisfied condition: $condition"
693#endif
694EOF
695}
696
57bd82d4
MR
697check_lib(){
698 log check_lib "$@"
699 header="$1"
700 func="$2"
701 shift 2
fcfcde17
MR
702 temp_extralibs "$@"
703 check_header $header && check_func $func && add_extralibs "$@"
704 err=$?
705 restore_flags
706 return $err
57bd82d4
MR
707}
708
f8d7b072
MR
709check_lib2(){
710 log check_lib2 "$@"
711 headers="$1"
712 func="$2"
713 shift 2
300cde27 714 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
715}
716
dcd479c0 717check_exec(){
2270b4b2 718 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
719}
720
7dfef245 721check_exec_crash(){
5e622c40 722 code=$(cat)
7dfef245
MR
723
724 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
725 # are safe but may not be available everywhere. Thus we use
726 # raise(SIGTERM) instead. The check is run in a subshell so we
727 # can redirect the "Terminated" message from the shell. SIGBUS
728 # is not defined by standard C so it is used conditionally.
729
2270b4b2 730 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
731#include <signal.h>
732static void sighandler(int sig){
733 raise(SIGTERM);
734}
e5af4a11 735int main(void){
7dfef245
MR
736 signal(SIGILL, sighandler);
737 signal(SIGFPE, sighandler);
738 signal(SIGSEGV, sighandler);
739#ifdef SIGBUS
740 signal(SIGBUS, sighandler);
741#endif
742 { $code }
743}
744EOF
745}
746
72be9e73
DY
747check_type(){
748 log check_type "$@"
749 headers=$1
750 type=$2
751 shift 2
ae550ce9 752 disable_safe "$type"
72be9e73
DY
753 incs=""
754 for hdr in $headers; do
755 incs="$incs
756#include <$hdr>"
757 done
ae550ce9 758 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
759$incs
760$type v;
761EOF
762}
763
14d36751
MR
764check_struct(){
765 log check_type "$@"
766 headers=$1
767 struct=$2
768 member=$3
769 shift 3
770 disable_safe "${struct}_${member}"
771 incs=""
772 for hdr in $headers; do
773 incs="$incs
774#include <$hdr>"
775 done
776 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
777$incs
778const void *p = &(($struct *)0)->$member;
779EOF
780}
781
57bd82d4
MR
782require(){
783 name="$1"
784 header="$2"
785 func="$3"
786 shift 3
787 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
788}
789
f8d7b072
MR
790require2(){
791 name="$1"
792 headers="$2"
793 func="$3"
794 shift 3
795 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
796}
797
eea50282
MR
798check_foo_config(){
799 cfg=$1
800 pkg=$2
801 header=$3
802 func=$4
803 shift 4
804 disable $cfg
805 check_cmd ${pkg}-config --version
806 err=$?
807 if test "$err" = 0; then
5e622c40
DB
808 temp_cflags $(${pkg}-config --cflags)
809 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
810 check_lib "$@" $header $func && enable $cfg
811 fi
812 return $err
813}
814
f0125de9
MR
815check_host_cc(){
816 log check_host_cc "$@"
817 cat > $TMPC
818 log_file $TMPC
819 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
820}
821
822check_host_cflags(){
823 log check_host_cflags "$@"
824 check_host_cc "$@" <<EOF && append host_cflags "$@"
825int x;
826EOF
827}
828
c505dd31
MR
829apply(){
830 file=$1
831 shift
832 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
833}
834
c34681df
MR
835cp_if_changed(){
836 cmp -s "$1" "$2" &&
837 echo "$2 is unchanged" ||
838 cp -f "$1" "$2"
839}
840
dcd61286
DB
841# CONFIG_LIST contains configurable options, while HAVE_LIST is for
842# system-dependent things.
843
4a0d6686
AJ
844COMPONENT_LIST="
845 bsfs
846 decoders
847 demuxers
848 encoders
3cde40aa 849 filters
5666fd73 850 hwaccels
c552605c 851 indevs
4a0d6686 852 muxers
c552605c 853 outdevs
4a0d6686
AJ
854 parsers
855 protocols
856"
857
858CONFIG_LIST="
859 $COMPONENT_LIST
e8ed9b7a 860 aandct
f7679c54
VS
861 avfilter
862 avfilter_lavf
c88f5d72
MR
863 avisynth
864 beos_netserver
f402916e 865 bzlib
7f3f5f46 866 dct
c73f65d9 867 doc
27a9466b 868 fastdiv
c88f5d72
MR
869 ffmpeg
870 ffplay
871 ffserver
1848f7d9 872 fft
4f034993 873 golomb
c88f5d72 874 gpl
ecfc4f44 875 gprof
d8d0d0b2 876 gray
3abe5fbd 877 hardcoded_tables
c88f5d72 878 ipv6
f7b8bffe 879 libdc1394
690bfceb 880 libdirac
2eed5a46
DB
881 libfaac
882 libfaad
883 libfaadbin
c88f5d72 884 libgsm
6ebe07fb 885 libmp3lame
c88f5d72 886 libnut
0b175caa
DB
887 libopencore_amrnb
888 libopencore_amrwb
9a77d59a 889 libopenjpeg
f7cd9eed 890 libschroedinger
ae14f311 891 libspeex
150d2772 892 libtheora
c88f5d72 893 libvorbis
1cc60c47
DB
894 libx264
895 libxvid
f4d608e3 896 lpc
47a158cb 897 mdct
c88f5d72 898 memalign_hack
a8150374 899 mlib
c88f5d72
MR
900 mpegaudio_hp
901 network
3fe142e2 902 nonfree
8a3c8627 903 pic
4a24ab64 904 postproc
2b4c3615 905 powerpc_perf
68602540 906 rdft
e90f5b5a 907 runtime_cpudetect
2e35e684 908 shared
bd2216e4 909 small
2e35e684 910 static
a9ddb5b1 911 swscale_alpha
17492d5e
DB
912 vaapi
913 vdpau
9cad0e4e 914 version3
56a059ac 915 x11grab
c88f5d72 916 zlib
4a0d6686 917"
c88f5d72 918
8eee7025
DB
919THREADS_LIST='
920 beosthreads
d22e8442 921 os2threads
8eee7025
DB
922 pthreads
923 w32threads
924'
925
3f5b56e5
MR
926ARCH_LIST='
927 alpha
a2fc0f6a 928 arm
fdcd782d
MR
929 avr32
930 avr32_ap
931 avr32_uc
3f5b56e5
MR
932 bfin
933 ia64
934 m68k
935 mips
bae3abb0 936 mips64
3f5b56e5 937 parisc
79cb09b2 938 ppc
34d11b87 939 ppc64
3f5b56e5
MR
940 s390
941 sh4
942 sparc
943 sparc64
944 x86
945 x86_32
946 x86_64
947'
948
949ARCH_EXT_LIST='
1ac9331a 950 altivec
3bf96eec 951 amd3dnow
a1ef9f08 952 amd3dnowext
1ac9331a 953 armv5te
edab3048 954 armv6
ab5cb084 955 armv6t2
f55b299a 956 armvfp
3f5b56e5
MR
957 iwmmxt
958 mmi
959 mmx
d7f0920b 960 mmx2
6b18d278 961 neon
799fde37 962 ppc4xx
1bb04d5a 963 sse
9eeed841 964 ssse3
bd9d34a0 965 vis
3f5b56e5
MR
966'
967
a3e02a8c
MR
968HAVE_LIST_PUB='
969 bigendian
970'
971
3f5b56e5
MR
972HAVE_LIST="
973 $ARCH_EXT_LIST
a3e02a8c 974 $HAVE_LIST_PUB
3f5b56e5 975 $THREADS_LIST
35fd8122 976 alsa_asoundlib_h
3f5b56e5 977 altivec_h
c9fdab0d 978 arpa_inet_h
e7ea5e3d 979 attribute_packed
6bd859d6 980 bswap
ecf97f22 981 closesocket
1ac9331a 982 cmov
e16e49ac 983 conio_h
c88f5d72 984 dcbzl
f8aa696f
DB
985 dev_bktr_ioctl_bt848_h
986 dev_bktr_ioctl_meteor_h
987 dev_ic_bt8xx_h
988 dev_video_meteor_ioctl_meteor_h
989 dev_video_bktr_ioctl_bt848_h
18b67ae5 990 dlfcn_h
c88f5d72 991 dlopen
bc574408 992 dos_paths
245626d0
DB
993 ebp_available
994 ebx_available
6b7c7703
VS
995 exp2
996 exp2f
c2a29455 997 fast_64bit
669b5583 998 fast_clz
7073e9fc 999 fast_cmov
7b829d2a 1000 fast_unaligned
9d99cc5a 1001 fork
84882df6 1002 getaddrinfo
da9e86f8 1003 gethrtime
4e68cb8a 1004 GetProcessTimes
66be5b45 1005 getrusage
2e1913b1 1006 inet_aton
61d251db 1007 inline_asm
abfc8d05 1008 isatty
9f5ff83f 1009 ldbrx
0b4a1821
AS
1010 libdc1394_1
1011 libdc1394_2
a33cab3a 1012 llrint
291fd18a 1013 log2
6b7c7703 1014 log2f
85dd97ad 1015 loongson
a33cab3a 1016 lrint
c88f5d72 1017 lrintf
e4673692 1018 lzo1x_999_compress
f8aa696f
DB
1019 machine_ioctl_bt848_h
1020 machine_ioctl_meteor_h
c88f5d72
MR
1021 malloc_h
1022 memalign
6ffa87d3 1023 mkstemp
b4e806b2 1024 pld
1f91cdce 1025 posix_memalign
a33cab3a
MK
1026 round
1027 roundf
c88f5d72
MR
1028 sdl
1029 sdl_video_size
b507ebd1 1030 setmode
72be9e73 1031 socklen_t
deb29777 1032 soundcard_h
f8cda19e 1033 poll_h
c0018613 1034 struct_addrinfo
33a4dbdd 1035 struct_sockaddr_storage
b58412f1 1036 sys_mman_h
b091aa44 1037 sys_resource_h
81644c2e 1038 sys_select_h
deb29777 1039 sys_soundcard_h
1b6e8b73 1040 sys_videoio_h
d3a4b4e0 1041 ten_operands
e16e49ac 1042 termios_h
b265431e 1043 threads
7b04b8a0 1044 truncf
ce742de2 1045 vfp_args
7c5bfe7a 1046 VirtualAlloc
6ff3f3e7 1047 winsock2_h
cc078b5d 1048 xform_asm
304d586d 1049 yasm
0cb78cef 1050"
44161118 1051
b6bb00b0
MR
1052# options emitted with CONFIG_ prefix but not available on command line
1053CONFIG_EXTRA="
9cad0e4e
DB
1054 gplv3
1055 lgplv3
b6bb00b0
MR
1056"
1057
520cc7f1 1058CMDLINE_SELECT="
3f5b56e5 1059 $ARCH_EXT_LIST
520cc7f1 1060 $CONFIG_LIST
8eee7025 1061 $THREADS_LIST
c8a4ae00 1062 asm
db6107b6 1063 cross_compile
520cc7f1
MR
1064 debug
1065 extra_warnings
8c6afa4d 1066 logging
d2bbb2f7 1067 optimizations
87a0fb62 1068 stripping
7595a5e4 1069 yasm
520cc7f1 1070"
426be5dc
DB
1071
1072PATHS_LIST='
d156bede 1073 bindir
14a8acf1 1074 datadir
26759c44
MR
1075 incdir
1076 libdir
26759c44
MR
1077 mandir
1078 prefix
1079 shlibdir
426be5dc
DB
1080'
1081
1082CMDLINE_SET="
1083 $PATHS_LIST
1084 arch
313c46a6 1085 as
426be5dc
DB
1086 build_suffix
1087 cc
1088 cpu
1089 cross_prefix
50567afa 1090 dep_cc
ac63af34 1091 extra_version
9da6609f
MR
1092 host_cc
1093 host_cflags
1094 host_ldflags
1095 host_libs
82bb3329 1096 host_os
684b28e0 1097 ld
426be5dc 1098 logfile
89641463 1099 nm
26759c44 1100 source_path
c5200f17
MR
1101 sysinclude
1102 sysroot
a7ada2ba 1103 target_exec
26759c44 1104 target_os
a7ada2ba 1105 target_path
426be5dc 1106"
520cc7f1 1107
89f2932b
MR
1108CMDLINE_APPEND="
1109 extra_cflags
1110"
1111
912f3148
DB
1112# code dependency declarations
1113
9eeed841 1114# architecture extensions
808fa33c 1115
a2fc0f6a
MR
1116armv5te_deps="arm"
1117armv6_deps="arm"
ab5cb084 1118armv6t2_deps="arm"
a2fc0f6a
MR
1119armvfp_deps="arm"
1120iwmmxt_deps="arm"
808fa33c
MR
1121neon_deps="arm"
1122
e241ba14 1123mmi_deps="mips"
808fa33c
MR
1124
1125altivec_deps="ppc"
1126ppc4xx_deps="ppc"
1127
1128vis_deps="sparc"
1129
e939cedd 1130x86_64_select="cmov fast_cmov"
808fa33c
MR
1131amd3dnow_deps="mmx"
1132amd3dnowext_deps="amd3dnow"
9eeed841 1133mmx_deps="x86"
75aa95a6 1134mmx2_deps="mmx"
75aa95a6
DB
1135sse_deps="mmx"
1136ssse3_deps="sse"
9eeed841 1137
e939cedd 1138fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1139fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1140fast_unaligned_if_any="armv6 ppc x86"
669b5583 1141
89e053f8 1142need_memalign="altivec neon sse"
6fec122a 1143inline_asm_deps="!tms470"
89e053f8 1144
5666fd73 1145# decoders / encoders / hardware accelerators
f1e94694 1146aac_decoder_select="fft mdct aac_parser"
84c04e25 1147aac_encoder_select="fft mdct"
5b423887 1148ac3_decoder_select="fft mdct ac3_parser"
f4d608e3 1149alac_encoder_select="lpc"
47a158cb 1150atrac3_decoder_select="fft mdct"
4f034993 1151cavs_decoder_select="golomb"
47a158cb 1152cook_decoder_select="fft mdct"
2eef7c62 1153cscd_decoder_suggest="zlib"
47a158cb 1154dca_decoder_select="fft mdct"
e8ed9b7a 1155dnxhd_encoder_select="aandct"
2eef7c62 1156dxa_decoder_select="zlib"
baf91bb9 1157eac3_decoder_select="ac3_decoder"
84c04e25 1158eamad_decoder_select="aandct"
e8ed9b7a 1159eatgq_decoder_select="aandct"
d52b39c7 1160eatqi_decoder_select="aandct"
4f034993
MR
1161ffv1_decoder_select="golomb"
1162flac_decoder_select="golomb"
f4d608e3 1163flac_encoder_select="golomb lpc"
2eef7c62
AJ
1164flashsv_decoder_select="zlib"
1165flashsv_encoder_select="zlib"
4414137e 1166flv_decoder_select="h263_decoder"
4d4b4bd1 1167flv_encoder_select="h263_encoder"
e8ed9b7a 1168h261_encoder_select="aandct"
7f647ae0 1169h263_decoder_select="h263_parser"
e8ed9b7a 1170h263_encoder_select="aandct"
ff418735 1171h263_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1172h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1173h263i_decoder_select="h263_decoder"
fe629c2d 1174h263p_encoder_select="h263_encoder"
4f034993 1175h264_decoder_select="golomb"
ff418735 1176h264_vaapi_hwaccel_deps="va_va_h"
17492d5e 1177h264_vaapi_hwaccel_select="vaapi"
711dae77 1178h264_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1179h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1180imc_decoder_select="fft mdct"
4f034993
MR
1181jpegls_decoder_select="golomb"
1182jpegls_encoder_select="golomb"
e8ed9b7a 1183ljpeg_encoder_select="aandct"
4f034993 1184loco_decoder_select="golomb"
e8ed9b7a 1185mjpeg_encoder_select="aandct"
2cca233b 1186mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1187mpeg1video_encoder_select="aandct"
1188mpeg2video_encoder_select="aandct"
4414137e 1189mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1190mpeg4_encoder_select="h263_encoder"
711dae77 1191mpeg_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1192mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
711dae77 1193mpeg1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1194mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
ff418735 1195mpeg2_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1196mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
ff418735 1197mpeg4_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1198mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871
NC
1199mpeg4_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1200mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1201mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1202mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1203msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1204msmpeg4v1_encoder_select="h263_encoder"
4414137e 1205msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1206msmpeg4v2_encoder_select="h263_encoder"
4414137e 1207msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1208msmpeg4v3_encoder_select="h263_encoder"
47a158cb
MR
1209nellymoser_decoder_select="fft mdct"
1210nellymoser_encoder_select="fft mdct"
2eef7c62
AJ
1211png_decoder_select="zlib"
1212png_encoder_select="zlib"
63cae55d 1213qdm2_decoder_select="fft mdct rdft"
a8beb22f 1214rv10_decoder_select="h263_decoder"
b2bf38b4 1215rv10_encoder_select="h263_encoder"
a8beb22f 1216rv20_decoder_select="h263_decoder"
b2bf38b4 1217rv20_encoder_select="h263_encoder"
d52b39c7
AJ
1218rv30_decoder_select="golomb"
1219rv40_decoder_select="golomb"
4f034993
MR
1220shorten_decoder_select="golomb"
1221sonic_decoder_select="golomb"
1222sonic_encoder_select="golomb"
1223sonic_ls_encoder_select="golomb"
1224svq3_decoder_select="golomb"
bee2eac5 1225svq3_decoder_suggest="zlib"
4eef77c1 1226theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1227tiff_decoder_suggest="zlib"
1228tiff_encoder_suggest="zlib"
aec09a00 1229truehd_decoder_select="mlp_decoder"
2eef7c62 1230tscc_decoder_select="zlib"
f95bfab0 1231vc1_decoder_select="h263_decoder"
ff418735 1232vc1_vaapi_hwaccel_deps="va_va_h"
95a61cfc 1233vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
711dae77 1234vc1_vdpau_decoder_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
95a61cfc 1235vc1_vdpau_decoder_select="vdpau vc1_decoder"
47a158cb
MR
1236vorbis_decoder_select="fft mdct"
1237vorbis_encoder_select="fft mdct"
e82dc4c9
DB
1238vp6a_decoder_select="vp6_decoder"
1239vp6f_decoder_select="vp6_decoder"
47a158cb
MR
1240wmav1_decoder_select="fft mdct"
1241wmav1_encoder_select="fft mdct"
1242wmav2_decoder_select="fft mdct"
1243wmav2_encoder_select="fft mdct"
f95bfab0 1244wmv1_decoder_select="h263_decoder"
665507aa 1245wmv1_encoder_select="h263_encoder"
f95bfab0 1246wmv2_decoder_select="h263_decoder"
1746e2a9 1247wmv2_encoder_select="h263_encoder"
015f8ee0
DB
1248wmv3_decoder_select="vc1_decoder"
1249wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1250wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1251zlib_decoder_select="zlib"
1252zlib_encoder_select="zlib"
1253zmbv_decoder_select="zlib"
1254zmbv_encoder_select="zlib"
30fd06be 1255
28b80940
DB
1256# parsers
1257h264_parser_select="golomb"
1258
f1e94694
DB
1259# bitstream_filters
1260aac_adtstoasc_bsf_select="aac_parser"
1261
912f3148 1262# external libraries
1b71f045 1263libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1264libdirac_encoder_deps="libdirac"
c9171a83 1265libfaac_encoder_deps="libfaac"
69ddbd1d 1266libfaad_decoder_deps="libfaad"
4ec45764 1267libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1268libgsm_decoder_deps="libgsm"
1269libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1270libgsm_ms_decoder_deps="libgsm"
1271libgsm_ms_encoder_deps="libgsm"
1cc60c47 1272libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1273libopencore_amrnb_decoder_deps="libopencore_amrnb"
1274libopencore_amrnb_encoder_deps="libopencore_amrnb"
1275libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1276libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1277libschroedinger_decoder_deps="libschroedinger"
1278libschroedinger_encoder_deps="libschroedinger"
ae14f311 1279libspeex_decoder_deps="libspeex"
150d2772 1280libtheora_encoder_deps="libtheora"
b0caf888 1281libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1282libx264_encoder_deps="libx264"
1283libxvid_encoder_deps="libxvid"
30fd06be 1284
912f3148 1285# demuxers / muxers
03a76ba9 1286ac3_demuxer_deps="ac3_parser"
647c2356 1287asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1288avisynth_demuxer_deps="avisynth"
1289dirac_demuxer_deps="dirac_parser"
5b423887 1290eac3_demuxer_select="ac3_parser"
647c2356 1291ipod_muxer_select="mov_muxer"
4e622dea
SS
1292libnut_demuxer_deps="libnut"
1293libnut_muxer_deps="libnut"
647c2356 1294matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1295matroska_demuxer_suggest="zlib bzlib"
1296mov_demuxer_suggest="zlib"
1297mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1298mp4_muxer_select="mov_muxer"
1299mpegtsraw_demuxer_select="mpegts_demuxer"
1300mxf_d10_muxer_select="mxf_muxer"
24ca518b 1301ogg_demuxer_select="golomb"
647c2356 1302psp_muxer_select="mov_muxer"
4e622dea
SS
1303rtsp_demuxer_deps="sdp_demuxer"
1304sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
f1e94694 1305spdif_muxer_select="aac_parser"
647c2356
DB
1306tg2_muxer_select="mov_muxer"
1307tgp_muxer_select="mov_muxer"
6bdaa5f4 1308w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1309
1310# indevs / outdevs
38e54a75
SS
1311alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1312alsa_indev_extralibs="-lasound"
1313alsa_outdev_deps="alsa_asoundlib_h"
1314alsa_outdev_extralibs="-lasound"
1315audio_beos_indev_deps="audio_beos"
1316audio_beos_indev_extralibs="-lmedia -lbe"
1317audio_beos_outdev_deps="audio_beos"
1318audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1319bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1320dv1394_indev_deps="dv1394 dv_demuxer"
1321jack_indev_deps="jack_jack_h"
1322jack_indev_extralibs="-ljack"
1323libdc1394_indev_deps="libdc1394"
38e54a75
SS
1324oss_indev_deps_any="soundcard_h sys_soundcard_h"
1325oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1326v4l_indev_deps="linux_videodev_h"
1327v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1328vfwcap_indev_deps="capCreateCaptureWindow"
1329vfwcap_indev_extralibs="-lvfw32"
1330x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1331x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1332
912f3148 1333# protocols
3fff6382 1334gopher_protocol_deps="network"
c08fb000 1335http_protocol_deps="network"
cbf29889 1336rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1337rtp_protocol_deps="udp_protocol"
1338tcp_protocol_deps="network"
1339udp_protocol_deps="network"
1340
f7679c54 1341# filters
81124ba0 1342movie_filter_deps="avfilter_lavf"
f7679c54 1343
912f3148 1344# programs
fa859b4d 1345ffplay_deps="sdl"
6ad42348 1346ffserver_deps="ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1347ffserver_extralibs='$ldl'
a2830dca 1348
c73f65d9 1349doc_deps="texi2html"
912f3148 1350
de6d9b64 1351# default parameters
8a608357 1352
2ba042a7 1353logfile="config.err"
8a608357
MR
1354
1355# installation paths
c9d19248
MR
1356prefix_default="/usr/local"
1357bindir_default='${prefix}/bin'
14a8acf1 1358datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1359incdir_default='${prefix}/include'
1360libdir_default='${prefix}/lib'
1361mandir_default='${prefix}/share/man'
1362shlibdir_default="$libdir_default"
8a608357
MR
1363
1364# toolchain
11e6d03a 1365ar="ar"
13c7df3d 1366cc_default="gcc"
a3d7c197 1367cc_version=\"unknown\"
9da6609f 1368host_cc_default="gcc"
11e6d03a 1369ln_s="ln -sf"
89641463 1370nm_default="nm"
11e6d03a 1371objformat="elf"
be7109c1 1372ranlib="ranlib"
0f3cb305 1373strip="strip"
11e6d03a 1374yasmexe="yasm"
8a608357
MR
1375
1376# machine
5e622c40 1377arch=$(uname -m)
38d0a8aa 1378cpu="generic"
8a608357 1379
8a608357 1380# OS
4f854758 1381target_os=$(tolower $(uname -s))
82bb3329 1382host_os=$target_os
8a608357 1383
8a608357 1384# configurable options
c8a4ae00 1385enable asm
497237c7 1386enable debug
c73f65d9 1387enable doc
aa033b1e 1388enable fastdiv
497237c7
RP
1389enable ffmpeg
1390enable ffplay
1391enable ffserver
1392enable ipv6
497237c7
RP
1393enable mpegaudio_hp
1394enable network
8400d6b8 1395enable optimizations
497237c7 1396enable protocols
530dc538 1397enable static
87a0fb62 1398enable stripping
a9ddb5b1 1399enable swscale_alpha
8a608357 1400
8a608357 1401# build settings
9987769a 1402SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1403FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1404LIBPREF="lib"
1405LIBSUF=".a"
c5f14466
RP
1406FULLNAME='$(NAME)$(BUILDSUF)'
1407LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1408SLIBPREF="lib"
1409SLIBSUF=".so"
c5f14466 1410SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1411SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1412SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
24743a76 1413LIB_INSTALL_EXTRA_CMD='$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1414
7e6c86e6
MR
1415CC_O='-o $@'
1416
f0125de9 1417host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1418host_libs='-lm'
1419
a7ada2ba
MR
1420target_path='.'
1421
0d7dca36
DB
1422# gcc stupidly only outputs the basename of targets with -MM, but we need the
1423# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1424DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1425DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1426
c597172e 1427# find source path
5e622c40 1428source_path="$(dirname "$0")"
497237c7 1429enable source_path_used
24524f36 1430if test -f configure; then
5e622c40 1431 source_path="$(pwd)"
497237c7 1432 disable source_path_used
c597172e 1433else
5e622c40 1434 source_path="$(cd "$source_path"; pwd)"
c597172e 1435 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1436 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1437 test -e "$source_path/config.h" &&
1438 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1439fi
1440
13cbe2c0 1441for v in "$@"; do
b04251c5
MR
1442 r=${v#*=}
1443 l=${v%"$r"}
1444 r=$(sh_quote "$r")
13cbe2c0
MR
1445 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1446done
c597172e 1447
73ef8980
MR
1448find_things(){
1449 thing=$1
1450 pattern=$2
1451 file=$source_path/$3
932ccf39 1452 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1453}
1454
1455ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1456DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1457HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1458PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1459BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1460MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1461DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1462OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1463INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1464PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1465FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1466
7483e694
DB
1467enable $ARCH_EXT_LIST \
1468 $DECODER_LIST \
1469 $ENCODER_LIST \
5666fd73 1470 $HWACCEL_LIST \
7483e694
DB
1471 $PARSER_LIST \
1472 $BSF_LIST \
1473 $DEMUXER_LIST \
1474 $MUXER_LIST \
f7679c54 1475 $FILTER_LIST \
7483e694
DB
1476 $PROTOCOL_LIST \
1477 $INDEV_LIST \
1478 $OUTDEV_LIST \
c597172e
MR
1479
1480die_unknown(){
1481 echo "Unknown option \"$1\"."
1482 echo "See $0 --help for available options."
1483 exit 1
1484}
1485
794f8e97 1486show_list() {
bf0c4afa
RP
1487 suffix=_$1
1488 shift
1489 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort
794f8e97
PI
1490 exit 0
1491}
1492
c597172e 1493for opt do
7483e694
DB
1494 optval="${opt#*=}"
1495 case "$opt" in
0f010b2f 1496 --extra-ldflags=*) add_ldflags $optval
7483e694 1497 ;;
0f010b2f 1498 --extra-libs=*) add_extralibs $optval
7483e694 1499 ;;
8fb1cb58 1500 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1501 ;;
40bcf4c7
BL
1502 --enable-debug=*) debuglevel="$optval"
1503 ;;
7483e694 1504 --enable-*=*|--disable-*=*)
8b93ddc3 1505 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1506 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1507 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1508 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1509 $action $(filter "$name" $list)
7483e694
DB
1510 ;;
1511 --enable-?*|--disable-?*)
5e622c40 1512 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1513 if is_in $option $COMPONENT_LIST; then
fed5d54b 1514 test $action = disable && action=unset
e3773a55
MR
1515 eval $action \$$(toupper ${option%s})_LIST
1516 elif is_in $option $CMDLINE_SELECT; then
1517 $action $option
1518 else
1519 die_unknown $opt
1520 fi
7483e694
DB
1521 ;;
1522 --list-*)
1523 NAME="${opt#--list-}"
1524 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1525 NAME=${NAME%s}
1526 eval show_list $NAME \$$(toupper $NAME)_LIST
1527 ;;
1528 --help|-h) show_help
1529 ;;
1530 *)
884a36a7 1531 optname="${opt%%=*}"
26759c44
MR
1532 optname="${optname#--}"
1533 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1534 if is_in $optname $CMDLINE_SET; then
1535 eval $optname='$optval'
1536 elif is_in $optname $CMDLINE_APPEND; then
1537 append $optname "$optval"
1538 else
1539 die_unknown $opt
1540 fi
7483e694
DB
1541 ;;
1542 esac
c597172e
MR
1543done
1544
bcea99bb
MR
1545disabled logging && logfile=/dev/null
1546
13cbe2c0 1547echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1548set >> $logfile
1549
9da6609f
MR
1550test -n "$cross_prefix" && enable cross_compile
1551
adb2b908 1552ar="${cross_prefix}${ar}"
11e6d03a 1553cc_default="${cross_prefix}${cc_default}"
20e0ed95 1554nm_default="${cross_prefix}${nm_default}"
adb2b908
RP
1555ranlib="${cross_prefix}${ranlib}"
1556strip="${cross_prefix}${strip}"
1557
c5200f17
MR
1558sysinclude_default="${sysroot}/usr/include"
1559
75800dce 1560set_default cc nm sysinclude
9da6609f
MR
1561enabled cross_compile || host_cc_default=$cc
1562set_default host_cc
13c7df3d 1563
82bb3329
MR
1564exesuf() {
1565 case $1 in
1566 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1567 esac
1568}
1569
1570EXESUF=$(exesuf $target_os)
1571HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1572
e4e69e0b 1573# set temporary file name
a49d42c2 1574: ${TMPDIR:=$TEMPDIR}
c51fafa1 1575: ${TMPDIR:=$TMP}
a49d42c2 1576: ${TMPDIR:=/tmp}
e4e69e0b 1577
54460a83
MR
1578if ! check_cmd type mktemp; then
1579 # simple replacement for missing mktemp
1580 # NOT SAFE FOR GENERAL USE
1581 mktemp(){
1582 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1583 }
1584fi
1585
1586tmpfile(){
1587 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1588 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1589 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1590 append TMPFILES $tmp
1591 eval $1=$tmp
1592}
1593
1594trap 'rm -f -- $TMPFILES' EXIT
1595trap exit HUP INT TERM
1596
1597tmpfile TMPC .c
1598tmpfile TMPE $EXESUF
1599tmpfile TMPH .h
1600tmpfile TMPO .o
1601tmpfile TMPS .S
a482e61b 1602tmpfile TMPV .ver
54460a83
MR
1603tmpfile TMPSH .sh
1604
1605unset -f mktemp
e4e69e0b 1606
993f2d0f
MR
1607# make sure we can execute files in $TMPDIR
1608cat > $TMPSH 2>> $logfile <<EOF
1609#! /bin/sh
1610EOF
1611chmod +x $TMPSH >> $logfile 2>&1
1612if ! $TMPSH >> $logfile 2>&1; then
1613 cat <<EOF
1614Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1615variable to another directory and make sure that it is not mounted noexec.
1616EOF
1617 die "Sanity test failed."
1618fi
993f2d0f 1619
19b4c628
MR
1620filter_cflags=echo
1621filter_cppflags=echo
1622filter_asflags=echo
1623
8f0c157a 1624if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1625 cc_type=gcc
a3d7c197 1626 cc_version=__VERSION__
aef6bd1b
MR
1627 if ! $cc -dumpversion | grep -q '^2\.'; then
1628 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1629 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1630 fi
629687f6
MR
1631elif $cc --version 2>/dev/null | grep -q Intel; then
1632 cc_type=icc
6e3fa35d 1633 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1634 CC_DEPFLAGS='-MMD'
1635 AS_DEPFLAGS='-MMD'
629687f6
MR
1636elif $cc -v 2>&1 | grep -q xlc; then
1637 cc_type=xlc
6e3fa35d 1638 cc_version="AV_STRINGIFY(__IBMC__)"
df442a8d
MR
1639elif $cc -V 2>/dev/null | grep -q Compaq; then
1640 cc_type=ccc
6e3fa35d 1641 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1642 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1643 debuglevel=3
df442a8d 1644 add_ldflags -Wl,-z,now # calls to libots crash without this
6a0d5493 1645elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1646 test -d "$sysroot" || die "No valid sysroot specified."
1647 cc_type=armcc
6e3fa35d 1648 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1649 armcc_conf="$PWD/armcc.conf"
1650 $cc --arm_linux_configure \
1651 --arm_linux_config_file="$armcc_conf" \
1652 --configure_sysroot="$sysroot" \
1653 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1654 die "Error creating armcc configuration file."
1655 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1656 as_default="${cross_prefix}gcc"
07dec06e
MR
1657 CC_DEPFLAGS='-MMD'
1658 AS_DEPFLAGS='-MMD'
6fec122a
MR
1659elif $cc -version 2>/dev/null | grep -q TMS470; then
1660 cc_type=tms470
6e3fa35d 1661 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1662 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1663 CC_O='-fr=$(@D)'
1664 as_default="${cross_prefix}gcc"
1665 ld_default="${cross_prefix}gcc"
6fec122a
MR
1666 TMPO=$(basename $TMPC .c).o
1667 append TMPFILES $TMPO
1668 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1669 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1670 AS_DEPFLAGS='-MMD'
6fec122a
MR
1671 filter_cflags=tms470_flags
1672 tms470_flags(){
1673 for flag; do
1674 case $flag in
1675 -march=*|-mcpu=*)
1676 case "${flag#*=}" in
1677 armv7-a|cortex-a*) echo -mv=7a8 ;;
1678 armv7-r|cortex-r*) echo -mv=7r4 ;;
1679 armv7-m|cortex-m*) echo -mv=7m3 ;;
1680 armv6*|arm11*) echo -mv=6 ;;
1681 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1682 echo -mv=5e ;;
1683 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1684 esac
1685 ;;
1686 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1687 -mfpu=vfp) echo --float_support=vfpv2 ;;
a2709020 1688 -msoft-float) echo --float_support=vfplib ;;
6fec122a
MR
1689 -Os) echo -O3 -mf=2 ;;
1690 -O[0-3]) echo $flag -mf=5 ;;
1691 -g) echo -g -mn ;;
1692 esac
1693 done
1694 }
06da6943
DC
1695elif $cc -v 2>&1 | grep -q clang; then
1696 cc_type=clang
1697 cc_version=__VERSION__
1698 CC_DEPFLAGS='-MMD'
1699 AS_DEPFLAGS='-MMD'
2a472e9c
MK
1700elif $cc -V 2>&1 | grep -q Sun; then
1701 cc_type=suncc
1702 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1703 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1704 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
03279bbe
MK
1705 filter_cflags=suncc_flags
1706 suncc_flags(){
1707 for flag; do
1708 case $flag in
1709 -march=*|-mcpu=*)
1710 case "${flag#*=}" in
1711 native) echo -xtarget=native ;;
1712 v9) echo -xarch=sparc ;;
1713 ultrasparc) echo -xarch=sparcvis ;;
1714 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1715 i586|pentium) echo -xchip=pentium ;;
1716 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1717 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1718 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1719 pentium4*) echo -xtarget=pentium4 ;;
1720 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1721 *-sse3) echo -xarch=sse3 ;;
1722 core2) echo -xarch=ssse3 -xchip=core2 ;;
1723 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1724 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1725 k8|opteron|athlon64|athlon-fx)
1726 echo -xarch=sse2a ;;
1727 athlon*) echo -xarch=pentium_proa ;;
1728 esac
1729 ;;
1730 -std=c99) echo -xc99 ;;
1731 -fomit-frame-pointer) echo -xregs=frameptr ;;
1732 -fPIC) echo -KPIC -xcode=pic32 ;;
1733 -Os) echo -O5 -xspace ;;
1734 -W*,*) echo $flag ;;
1735 -f*-*|-W*) ;;
1736 *) echo $flag ;;
1737 esac
1738 done
1739 }
629687f6
MR
1740fi
1741
1742test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1743
75bafbac 1744: ${as_default:=$cc}
50567afa 1745: ${dep_cc_default:=$cc}
684b28e0 1746: ${ld_default:=$cc}
50567afa 1747set_default as dep_cc ld
75800dce 1748
07dec06e
MR
1749test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1750test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1751
7f32f40c 1752add_cflags $extra_cflags
2f2e6c7c 1753add_asflags $extra_cflags
7f32f40c 1754
154d432c
MR
1755if test -n "$sysroot"; then
1756 case "$cc_type" in
1757 gcc)
467256f2 1758 add_cppflags --sysroot="$sysroot"
154d432c
MR
1759 add_ldflags --sysroot="$sysroot"
1760 ;;
6fec122a
MR
1761 tms470)
1762 add_cppflags -I"$sysinclude"
1763 add_ldflags --sysroot="$sysroot"
1764 ;;
06da6943
DC
1765 clang)
1766 add_cppflags -isysroot="$sysroot"
1767 add_ldflags -isysroot="$sysroot"
1768 ;;
154d432c
MR
1769 esac
1770fi
1771
d22c13a8
MR
1772if test "$cpu" = host; then
1773 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1774
1775 case "$cc_type" in
1776 gcc)
1777 check_native(){
1778 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1779 awk "/$1=/{ match(\$0, /$1=(\\w+)/, a);print a[1];exit }" $TMPE
1780 }
1781 cpu=$(check_native -march || check_native -mcpu)
1782 ;;
1783 esac
1784
1785 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1786fi
1787
e939cedd
MR
1788# Deal with common $arch aliases
1789case "$arch" in
1790 arm*)
1791 arch="arm"
1792 ;;
1793 mips|mipsel|IP*)
1794 arch="mips"
1795 ;;
1796 mips64)
1797 arch="mips"
1798 subarch="mips64"
1799 ;;
1800 parisc|hppa)
1801 arch="parisc"
1802 ;;
1803 parisc64|hppa64)
1804 arch="parisc"
1805 subarch="parisc64"
1806 ;;
1807 "Power Macintosh"|ppc|powerpc)
1808 arch="ppc"
1809 ;;
1810 ppc64)
1811 arch="ppc"
1812 subarch="ppc64"
1813 ;;
1814 s390|s390x)
1815 arch="s390"
1816 ;;
1817 sh4|sh)
1818 arch="sh4"
1819 ;;
1820 sun4u|sparc64)
1821 arch="sparc"
1822 subarch="sparc64"
1823 ;;
1824 i[3-6]86|i86pc|BePC|x86_64|amd64)
1825 arch="x86"
1826 ;;
1827esac
1828
1829is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1830enable $arch
e939cedd 1831
df5cdc24 1832# Add processor-specific flags
5d54c126
MR
1833if test "$cpu" = generic; then
1834 : do nothing
1835elif enabled ppc; then
343aef9b 1836
9dbd5c3d
MR
1837 case $cpu in
1838 601|ppc601|PowerPC601)
1839 cpuflags="-mcpu=601"
1840 ;;
1841 603*|ppc603*|PowerPC603*)
1842 cpuflags="-mcpu=603"
1843 ;;
1844 604*|ppc604*|PowerPC604*)
1845 cpuflags="-mcpu=604"
1846 ;;
1847 G3|g3|75*|ppc75*|PowerPC75*)
1848 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
1849 ;;
1850 G4|g4|745*|ppc745*|PowerPC745*)
1851 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1852 ;;
1853 74*|ppc74*|PowerPC74*)
1854 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1855 ;;
1856 G5|g5|970|ppc970|PowerPC970|power4*|Power4*)
1857 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1858 ;;
1859 Cell|CELL|cell)
1860 cpuflags="-mcpu=cell"
1861 enable ldbrx
1862 ;;
1863 esac
343aef9b
MR
1864
1865elif enabled x86; then
1866
9dbd5c3d
MR
1867 case $cpu in
1868 i[345]86|pentium)
1869 cpuflags="-march=$cpu"
1870 disable mmx
1871 ;;
1872 # targets that do NOT support conditional mov (cmov)
1873 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1874 cpuflags="-march=$cpu"
1875 disable cmov
1876 ;;
1877 # targets that do support conditional mov (cmov)
1878 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
1879 cpuflags="-march=$cpu"
1880 enable cmov
1881 enable fast_cmov
1882 ;;
1883 # targets that do support conditional mov but on which it's slow
1884 pentium4|pentium4m|prescott|nocona)
1885 cpuflags="-march=$cpu"
1886 enable cmov
1887 disable fast_cmov
1888 ;;
1889 esac
343aef9b
MR
1890
1891elif enabled sparc; then
1892
9dbd5c3d
MR
1893 case $cpu in
1894 sparc64)
1895 cpuflags="-mcpu=v9"
1896 ;;
1897 esac
343aef9b
MR
1898
1899elif enabled arm; then
1900
34ba23c9
MR
1901 case $cpu in
1902 armv*)
1903 cpuflags="-march=$cpu"
1904 ;;
1905 *)
1906 cpuflags="-mcpu=$cpu"
1907 ;;
1908 esac
343aef9b
MR
1909
1910elif enabled alpha; then
1911
34ba23c9 1912 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
1913
1914elif enabled bfin; then
1915
34ba23c9 1916 cpuflags="-mcpu=$cpu"
343aef9b
MR
1917
1918elif enabled mips; then
1919
34ba23c9 1920 cpuflags="-march=$cpu"
343aef9b
MR
1921
1922elif enabled avr32; then
1923
9dbd5c3d
MR
1924 case $cpu in
1925 ap7[02]0[0-2])
1926 subarch="avr32_ap"
1927 cpuflags="-mpart=$cpu"
1928 ;;
1929 ap)
1930 subarch="avr32_ap"
1931 cpuflags="-march=$cpu"
1932 ;;
1933 uc3[ab]*)
1934 subarch="avr32_uc"
1935 cpuflags="-mcpu=$cpu"
1936 ;;
1937 uc)
1938 subarch="avr32_uc"
1939 cpuflags="-march=$cpu"
1940 ;;
1941 esac
df5cdc24 1942
343aef9b
MR
1943fi
1944
df5cdc24
MR
1945add_cflags $cpuflags
1946add_asflags $cpuflags
1947
993f2d0f
MR
1948# compiler sanity check
1949check_exec <<EOF
1950int main(void){ return 0; }
1951EOF
1952if test "$?" != 0; then
1953 echo "$cc is unable to create an executable file."
1954 if test -z "$cross_prefix" && ! enabled cross_compile ; then
1955 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
1956 echo "Only do this if you know what cross compiling means."
1957 fi
1958 die "C compiler test failed."
1959fi
1960
38a9c529 1961add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 1962check_cflags -std=c99
50a334e4 1963check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
1964#include <stdlib.h>
1965EOF
50a334e4 1966check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
1967#include <stdlib.h>
1968EOF
e9b9a2f8 1969
f0125de9
MR
1970check_host_cflags -std=c99
1971
b24dbcbd 1972case "$arch" in
e939cedd 1973 alpha|ia64|mips|parisc|sparc)
8a3c8627 1974 spic=$shared
b24dbcbd 1975 ;;
e939cedd 1976 x86)
cfdb6148 1977 subarch="x86_32"
e939cedd 1978 check_cc <<EOF && subarch="x86_64"
58b3536d 1979 int test[(int)sizeof(char*) - 7];
cfdb6148 1980EOF
de27f4d9 1981 if test "$subarch" = "x86_64"; then
e939cedd 1982 spic=$shared
de27f4d9 1983 fi
b24dbcbd 1984 ;;
b24dbcbd
RP
1985esac
1986
343aef9b 1987enable $subarch
8a3c8627 1988enabled spic && enable pic
5755bc88 1989check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
b24dbcbd 1990
7483e694 1991# OS specific
4f854758 1992case $target_os in
7483e694 1993 beos|haiku|zeta)
c9d19248 1994 prefix_default="$HOME/config"
7483e694 1995 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 1996 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
1997 case "$gcc_version" in
1998 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
1999 disable mmx
2000 ;;
2001 *20010315*) echo "BeBits gcc"
0f010b2f 2002 add_cflags -fno-expensive-optimizations
7483e694
DB
2003 ;;
2004 esac
7483e694
DB
2005 SHFLAGS=-nostart
2006 # enable BeOS things
2007 enable audio_beos
2008 # no need for libm, but the inet stuff
2009 # Check for BONE
2010 # XXX: actually should check for NOT net_server
78fe7631 2011 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2012 network_extralibs="-lbind -lsocket"
2013 else
2014 enable beos_netserver
2015 network_extralibs="-lnet"
2016 fi ;;
2017 sunos)
2018 FFSERVERLDFLAGS=""
9987769a 2019 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2020 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2021 network_extralibs="-lsocket -lnsl"
50a334e4 2022 add_cppflags -D__EXTENSIONS__
7483e694
DB
2023 ;;
2024 netbsd)
07a8eef6
MR
2025 oss_indev_extralibs="-lossaudio"
2026 oss_outdev_extralibs="-lossaudio"
7483e694
DB
2027 ;;
2028 openbsd)
89e053f8 2029 enable malloc_aligned
7c4a001a
MR
2030 # On OpenBSD 4.5. the compiler does not use PIC unless
2031 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2032 # however the generated executable will not do anything
2033 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2034 # Thus explicitly enable PIC here.
cd78208b 2035 enable pic
7483e694 2036 SHFLAGS='-shared'
07a8eef6
MR
2037 oss_indev_extralibs="-lossaudio"
2038 oss_outdev_extralibs="-lossaudio"
7483e694 2039 ;;
90b4f091 2040 freebsd|dragonfly)
89e053f8 2041 enable malloc_aligned
7483e694
DB
2042 ;;
2043 bsd/os)
2044 osextralibs="-lpoll -lgnugetopt"
2045 strip="strip -d"
2046 ;;
2047 darwin)
89e053f8 2048 enable malloc_aligned
0138c54e 2049 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2050 strip="strip -x"
2051 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2052 SLIBSUF=".dylib"
2053 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2054 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2055 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2056 objformat="macho"
1b0f6fb8 2057 enabled x86_64 && objformat="macho64"
8dfa86f7 2058 enabled_any pic shared ||
2704bd1a 2059 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2060 ;;
2061 mingw32*)
ad7da0b5
RP
2062 # Only WinXP or greater are supported
2063 add_cflags -D_WIN32_WINNT=0x0501
9d3f4f50 2064 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2065 disable network
2066 else
2067 target_os=mingw32
2068 fi
dcc01c06 2069 LIBTARGET=i386
1fc9fb8a 2070 if enabled x86_64; then
89e053f8 2071 enable malloc_aligned
dcc01c06 2072 LIBTARGET=x64
336cc1b0
MS
2073 elif enabled arm; then
2074 LIBTARGET=arm
dcc01c06 2075 fi
fbd971a4 2076 shlibdir_default="$bindir_default"
7483e694
DB
2077 disable ffserver
2078 SLIBPREF=""
2079 SLIBSUF=".dll"
7483e694
DB
2080 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2081 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2082 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2083 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2084 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2085 install -d "$(LIBDIR)"; \
2086 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2087 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2088 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2089 objformat="win32"
bc574408 2090 enable dos_paths
1894e741 2091 check_cflags -fno-common
b1549d61 2092 if ! enabled x86_64; then
f7ad5aa2
RP
2093 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2094 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2095 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2096 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2097 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
f7ad5aa2 2098 fi
7483e694
DB
2099 ;;
2100 cygwin*)
4f854758 2101 target_os=cygwin
fbd971a4 2102 shlibdir_default="$bindir_default"
7483e694
DB
2103 SLIBPREF="cyg"
2104 SLIBSUF=".dll"
2105 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2106 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2107 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2108 objformat="win32"
bc574408 2109 enable dos_paths
1894e741 2110 check_cflags -fno-common
7483e694 2111 ;;
4f365f37 2112 *-dos|freedos|opendos)
fdf11906 2113 disable ffplay ffserver
4f365f37
MK
2114 disable $INDEV_LIST $OUTDEV_LIST
2115 network_extralibs="-lsocket"
ff1c015d 2116 objformat="coff"
bc574408 2117 enable dos_paths
4f365f37 2118 ;;
7483e694 2119 linux)
7483e694
DB
2120 enable dv1394
2121 ;;
2122 irix*)
4f854758 2123 target_os=irix
7483e694
DB
2124 ranlib="echo ignoring ranlib"
2125 ;;
d22e8442 2126 os/2*)
d22e8442
DY
2127 strip="lxlite"
2128 ln_s="cp -f"
d22e8442 2129 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2130 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2131 FFSERVERLDFLAGS=""
287d3b13 2132 LIBSUF="_s.a"
d22e8442
DY
2133 SLIBPREF=""
2134 SLIBSUF=".dll"
2135 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2136 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2137 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2138 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2139 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2140 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2141 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2142 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2143 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2144 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2145 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2146 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2147 enable dos_paths
d22e8442 2148 ;;
83993c1c
AM
2149 gnu/kfreebsd)
2150 ;;
34e82167 2151 gnu)
34e82167 2152 ;;
d22e8442 2153
7483e694 2154 *)
4f924f9a 2155 die "Unknown OS '$target_os'."
7483e694
DB
2156 ;;
2157esac
2158
c9d19248
MR
2159set_default $PATHS_LIST
2160
c597172e 2161add_extralibs $osextralibs
de6d9b64 2162
28d8e661
DB
2163# Combine FFLDFLAGS and the LDFLAGS environment variable.
2164LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2165
320d060a 2166# we need to build at least one lib type
93b3c083 2167if ! enabled_any static shared; then
320d060a
DB
2168 cat <<EOF
2169At least one library type must be built.
2170Specify --enable-static to build the static libraries or --enable-shared to
2171build the shared libraries as well. To only build the shared libraries specify
2172--disable-static in addition to --enable-shared.
2173EOF
2174 exit 1;
2175fi
2176
abc4e572 2177disabled static && LIBNAME=""
2a320695 2178
a2234ceb
RP
2179if enabled_any libfaad libfaadbin ; then
2180 if check_header faad.h; then
295b8c70 2181 check_cc <<EOF
a2234ceb
RP
2182#include <faad.h>
2183#ifndef FAAD2_VERSION
2184ok faad1
2185#endif
db817cf3 2186int main(void) { return 0; }
a2234ceb
RP
2187EOF
2188 test $? = 0 && enable libfaad2
2189 else
ff3dac65 2190 die "FAAD test failed."
a2234ceb
RP
2191 fi
2192fi
2193
2194
2184c6f7 2195die_license_disabled() {
4c27207c 2196 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2197}
2198
2199die_license_disabled gpl libfaad2
2200die_license_disabled gpl libx264
2201die_license_disabled gpl libxvid
2202die_license_disabled gpl postproc
2203die_license_disabled gpl x11grab
2204
2f7ae63b 2205die_license_disabled nonfree libfaac
b2e3c528 2206
0b175caa
DB
2207die_license_disabled version3 libopencore_amrnb
2208die_license_disabled version3 libopencore_amrwb
2209
9cad0e4e 2210enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2211
9eeed841 2212check_deps $ARCH_EXT_LIST
0f3cb305 2213
40617a6d 2214disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2215
e276d9e8
MR
2216enable_pic() {
2217 enable pic
bce7b696
MR
2218 add_cppflags -DPIC
2219 add_cflags -fPIC
2220 add_asflags -fPIC
e276d9e8
MR
2221}
2222
2223enabled pic && enable_pic
bce7b696 2224
b4d96ba2
MR
2225check_cc <<EOF || die "Symbol mangling check failed."
2226int ff_extern;
2227EOF
2087c823 2228sym=$($nm -g $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2229extern_prefix=${sym%%ff_extern*}
2230
f65883c8
MR
2231check_cc <<EOF && enable inline_asm
2232void foo(void) { __asm__ volatile ("" ::); }
2233EOF
61d251db 2234
df5e3978
MR
2235_restrict=
2236for restrict_keyword in restrict __restrict__ __restrict; do
2237 check_cc <<EOF && _restrict=$restrict_keyword && break
2238void foo(char * $restrict_keyword p);
2239EOF
2240done
2241
2242check_cc <<EOF && enable attribute_packed
2243struct { int x; } __attribute__((packed)) x;
2244EOF
2245
2246check_cc <<EOF || die "endian test failed"
2247unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2248EOF
48fc536a 2249od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2250
e939cedd
MR
2251if enabled alpha; then
2252
2253 check_cflags -mieee
2254
2255elif enabled arm; then
e45391bb 2256
50fa82e6
MR
2257 check_cflags -marm
2258
fa0912fe
MR
2259 check_ld <<EOF && enable vfp_args
2260__asm__ (".eabi_attribute 28, 1");
2261int main(void) { return 0; }
2262EOF
2263
2264 # We have to check if pld is a nop and disable it.
2265 check_asm pld '"pld [r0]"'
2266
2267 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2268 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2269 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2270 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2271 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2272 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2273
e276d9e8
MR
2274 enabled_all armv6t2 shared !pic && enable_pic
2275
e939cedd
MR
2276elif enabled ia64; then
2277
2278 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2279 enabled shared && enable_weak hardcoded_tables
2280
fa0912fe 2281elif enabled mips; then
e45391bb 2282
fa0912fe
MR
2283 check_asm loongson '"dmult.g $1, $2, $3"'
2284 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2285
fa0912fe 2286elif enabled ppc; then
e45391bb 2287
fa0912fe
MR
2288 check_asm dcbzl '"dcbzl 0, 1"'
2289 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2290 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2291
2292 # AltiVec flags: The FSF version of GCC differs from the Apple version
2293 if enabled altivec; then
2294 check_cflags -maltivec -mabi=altivec &&
2295 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2296 check_cflags -faltivec
2297
2298 # check if our compiler supports Motorola AltiVec C API
2299 check_cc <<EOF || disable altivec
2300$inc_altivec_h
2301int main(void) {
2302 vector signed int v1, v2, v3;
2303 v1 = vec_add(v2,v3);
2304 return 0;
2305}
2306EOF
2307
2308 # check if our compiler supports braces for vector declarations
2309 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2310$inc_altivec_h
2311int main (void) { (vector int) {1}; return 0; }
2312EOF
2313 fi
e45391bb 2314
fa0912fe 2315elif enabled sparc; then
e45391bb 2316
fa0912fe
MR
2317 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2318 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2319
fa0912fe 2320elif enabled x86; then
e45391bb 2321
44965991
PI
2322 # check whether EBP is available on x86
2323 # As 'i' is stored on the stack, this program will crash
2324 # if the base pointer is used to access it because the
2325 # base pointer is cleared in the inline assembly code.
7dfef245 2326 check_exec_crash <<EOF && enable ebp_available
44965991 2327 volatile int i=0;
be449fca 2328 __asm__ volatile (
44965991
PI
2329 "xorl %%ebp, %%ebp"
2330 ::: "%ebp");
2331 return i;
44965991
PI
2332EOF
2333
f494213c 2334 # check whether EBX is available on x86
7cee5421
MR
2335 check_asm ebx_available '""::"b"(0)' &&
2336 check_asm ebx_available '"":::"%ebx"'
8e380710 2337
d3a4b4e0
DB
2338 # check whether more than 10 operands are supported
2339 check_cc <<EOF && enable ten_operands
2340int main(void) {
2341 int x=0;
2342 __asm__ volatile(
2343 ""
2344 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2345 );
2346 return 0;
2347}
2348EOF
2349
d7f0920b 2350 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2351 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2352 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2353
2354 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2355
d52481b9 2356 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2357 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2358 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2359 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2360 case "$objformat" in
2361 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2362 esac
7595a5e4 2363 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2364
669b5583
MR
2365 case "$cpu" in
2366 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2367 disable fast_clz
2368 ;;
2369 esac
2370
44965991
PI
2371fi
2372
a98bb16d
RP
2373if check_func dlopen; then
2374 ldl=
2375elif check_func dlopen -ldl; then
2376 ldl=-ldl
8bf5d58f
MN
2377fi
2378
75ecf149
DB
2379# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2380check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2381
7483e694 2382check_func fork
84882df6 2383check_func getaddrinfo $network_extralibs
7483e694
DB
2384check_func gethrtime
2385check_func getrusage
094c09bb 2386check_func inet_aton $network_extralibs
abfc8d05 2387check_func isatty
7483e694
DB
2388check_func memalign
2389check_func mkstemp
1f91cdce 2390check_func posix_memalign
b507ebd1 2391check_func_headers io.h setmode
e4673692 2392check_func_headers lzo/lzo1x.h lzo1x_999_compress
2446d3d6 2393check_func_headers windows.h GetProcessTimes
7c5bfe7a 2394check_func_headers windows.h VirtualAlloc
6ffa87d3 2395
e16e49ac 2396check_header conio.h
a98bb16d
RP
2397check_header dlfcn.h
2398check_header malloc.h
bf6ce82d 2399check_header poll.h
b58412f1 2400check_header sys/mman.h
b091aa44 2401check_header sys/resource.h
bf6ce82d 2402check_header sys/select.h
a98bb16d 2403check_header termios.h
272081b0
CEH
2404check_header vdpau/vdpau.h
2405check_header vdpau/vdpau_x11.h
68178ca9 2406check_header X11/extensions/XvMClib.h
a98bb16d 2407
89e053f8
MR
2408if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2409 enabled_any $need_memalign ; then
1f91cdce 2410 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2411fi
e16e49ac 2412
a4fa192c 2413disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2414disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2415
2416# check for some common methods of building with pthread support
2417# do this before the optional library checks as some of them require pthreads
2418if enabled pthreads; then
9e7fd101
MR
2419 if check_func pthread_create; then
2420 :
2421 elif check_func pthread_create -pthread; then
2422 add_cflags -pthread
afc9aee2 2423 add_extralibs -pthread
9e7fd101
MR
2424 elif check_func pthread_create -pthreads; then
2425 add_cflags -pthreads
afc9aee2 2426 add_extralibs -pthreads
8d94f606
GT
2427 elif check_func pthread_create -lpthreadGC2; then
2428 add_extralibs -lpthreadGC2
9e7fd101
MR
2429 elif ! check_lib pthread.h pthread_create -lpthread; then
2430 die "ERROR: can't find pthreads library"
2431 fi
57bd82d4
MR
2432fi
2433
8eee7025 2434for thread in $THREADS_LIST; do
e5f94c2b 2435 if enabled $thread; then
3ae3b721
RP
2436 test -n "$thread_type" &&
2437 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2438 thread_type="$thread"
e5f94c2b
RP
2439 fi
2440done
2441
fdf88598 2442check_lib math.h sin -lm
ff418735 2443check_lib va/va.h vaInitialize -lva
fdf88598 2444
6b7c7703
VS
2445check_func exp2
2446check_func exp2f
ad420e25
MR
2447check_func llrint
2448check_func log2
6b7c7703 2449check_func log2f
ad420e25
MR
2450check_func lrint
2451check_func lrintf
2452check_func round
2453check_func roundf
2454check_func truncf
f32adb22 2455
57bd82d4 2456# these are off by default, so fail if requested and not available
79fda097 2457enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lvfw32
e3cc7d6f 2458enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2459 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2460 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2461enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2462enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
7483e694 2463enabled libgsm && require libgsm gsm.h gsm_create -lgsm
2bfecf73 2464enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2465enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2466enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2467enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2468enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
36718e51
DB
2469enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2470 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2471enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2472enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2473enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
e69bb386 2474enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2475 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2476 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2477enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2478enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2479
0b4a1821
AS
2480# libdc1394 check
2481if enabled libdc1394; then
2482 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2483 enable libdc1394_2; } ||
2484 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2485 enable libdc1394_1; } ||
2486 die "ERROR: No version of libdc1394 found "
2487fi
2488
6a1a892f 2489SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2490if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2491 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2492 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2493 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2494 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2495 enable sdl &&
2496 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2497fi
57bd82d4 2498
2270b4b2 2499texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2500
73b46a95 2501if enabled network; then
96000432 2502 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2503 check_type netdb.h "struct addrinfo"
ff6e82a9 2504 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
73b46a95
RP
2505 # Prefer arpa/inet.h over winsock2
2506 if check_header arpa/inet.h ; then
2507 check_func closesocket
2508 elif check_header winsock2.h ; then
f4c13872
MS
2509 check_func_headers winsock2.h closesocket -lws2 && \
2510 network_extralibs="-lws2" || \
2511 { check_func_headers winsock2.h closesocket -lws2_32 && \
2512 network_extralibs="-lws2_32"; }
72be9e73 2513 check_type ws2tcpip.h socklen_t
c0018613 2514 check_type ws2tcpip.h "struct addrinfo"
33a4dbdd 2515 check_type ws2tcpip.h "struct sockaddr_storage"
28c9f069
MK
2516 else
2517 disable network
73b46a95
RP
2518 fi
2519fi
2520
b6f3d925 2521enabled_all network ipv6 && check_ld <<EOF || disable ipv6
7a91333f
HZ
2522#include <sys/types.h>
2523#include <sys/socket.h>
2524#include <netinet/in.h>
2525#include <netdb.h>
db817cf3 2526int main(void) {
7483e694
DB
2527 struct sockaddr_storage saddr;
2528 struct ipv6_mreq mreq6;
2529 getaddrinfo(0,0,0,0);
2530 getnameinfo(0,0,0,0,0,0,0);
2531 IN6_IS_ADDR_MULTICAST((const struct in6_addr *)0);
7a91333f
HZ
2532}
2533EOF
2534
06e31011
RP
2535check_header linux/videodev.h
2536check_header linux/videodev2.h
1b6e8b73 2537check_header sys/videoio.h
47f38850 2538
2446d3d6 2539check_func_headers "windows.h vfw.h" capCreateCaptureWindow -lvfw32
c2345207 2540
f8aa696f 2541# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2542{ check_header dev/bktr/ioctl_meteor.h &&
2543 check_header dev/bktr/ioctl_bt848.h; } ||
2544{ check_header machine/ioctl_meteor.h &&
2545 check_header machine/ioctl_bt848.h; } ||
2546{ check_header dev/video/meteor/ioctl_meteor.h &&
2547 check_header dev/video/bktr/ioctl_bt848.h; } ||
2548check_header dev/ic/bt8xx.h
f8aa696f 2549
c7682de0
RP
2550check_header sys/soundcard.h
2551check_header soundcard.h
deb29777 2552
b6f3d925 2553enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2554
0e57fe17 2555enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2556
56a059ac 2557enabled x11grab &&
f58f4ce1
GP
2558check_header X11/Xlib.h &&
2559check_header X11/extensions/XShm.h &&
0a045661 2560check_header X11/extensions/Xfixes.h &&
f58f4ce1 2561check_func XOpenDisplay -lX11 &&
781c1aa6
R
2562check_func XShmCreateImage -lX11 -lXext &&
2563check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2564
598ef02b 2565if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2566check_cpp_condition \
2567 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2568 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2569 disable vdpau; }
abf649c7 2570fi
deda2a4a 2571
95e561ec 2572enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2573
2574# add some useful compiler flags if supported
2575check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2576check_cflags -Wall
2577check_cflags -Wno-switch
c07bd6a9
MN
2578check_cflags -Wdisabled-optimization
2579check_cflags -Wpointer-arith
2580check_cflags -Wredundant-decls
cc1fb623 2581check_cflags -Wno-pointer-sign
f4929996 2582check_cflags -Wcast-qual
9aceb3cf 2583check_cflags -Wwrite-strings
652a5bf6 2584check_cflags -Wtype-limits
764551c6 2585check_cflags -Wundef
5af4e0cc 2586enabled extra_warnings && check_cflags -Winline
cf9d24ad 2587
57bd82d4 2588# add some linker flags
5c0e9479 2589check_ldflags -Wl,--warn-common
8351d2ba
DB
2590check_ldflags -Wl,--as-needed
2591check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
c2fd6530 2592check_ldflags -Wl,-Bsymbolic
94a3401e 2593
a482e61b
MR
2594echo "X{};" > $TMPV
2595test_ldflags -Wl,--version-script,$TMPV &&
2596 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2597
bd2216e4
MR
2598if enabled small; then
2599 check_cflags -Os # not all compilers support -Os
8400d6b8
DB
2600 optimizations="small"
2601elif enabled optimizations; then
629687f6 2602 if enabled xlc; then
0f010b2f
DB
2603 add_cflags -O5
2604 add_ldflags -O5
03279bbe
MK
2605 elif enabled suncc; then
2606 add_cflags -O5
df442a8d
MR
2607 elif enabled ccc; then
2608 add_cflags -fast
cf9d24ad 2609 else
0f010b2f 2610 add_cflags -O3
cf9d24ad 2611 fi
cddf3f45 2612fi
11fdbc44 2613check_cflags -fno-math-errno
b2eb2ff0 2614check_cflags -fno-signed-zeros
cddf3f45 2615
629687f6 2616if enabled icc; then
b1598b58
MR
2617 # Just warnings, no remarks
2618 check_cflags -w1
2619 # -wd: Disable following warnings
2620 # 144, 167, 556: -Wno-pointer-sign
2621 # 10006: ignoring unknown option -fno-signed-zeros
2622 # 10156: ignoring option '-W'; no argument required
2623 check_cflags -wd144,167,556,10006,10156
2624 # 11030: Warning unknown option --as-needed
2625 # 10156: ignoring option '-export'; no argument required
2626 check_ldflags -wd10156,11030
2627 # Allow to compile with optimizations
2628 check_ldflags -march=$cpu
be2cf98a
CEH
2629 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2630 enable ebp_available
df442a8d
MR
2631elif enabled ccc; then
2632 # disable some annoying warnings
2633 add_cflags -msg_disable cvtu32to64
2634 add_cflags -msg_disable embedcomment
2635 add_cflags -msg_disable needconstext
2636 add_cflags -msg_disable nomainieee
2637 add_cflags -msg_disable ptrmismatch1
2638 add_cflags -msg_disable unreachcode
973859f5
MR
2639elif enabled gcc; then
2640 check_cflags -fno-tree-vectorize
06da6943
DC
2641elif enabled clang; then
2642 check_cflags -Qunused-arguments
504a64b9
CEH
2643fi
2644
90be59ef 2645if enabled gprof; then
0f010b2f
DB
2646 add_cflags -p
2647 add_ldflags -p
1db54e20
DB
2648fi
2649
7f3c02fc 2650# Find out if the .align argument is a power of two or not.
9377b6ce 2651check_asm asmalign_pot '".align 3"'
4454dc1b 2652
7483e694
DB
2653enabled_any $DECODER_LIST && enable decoders
2654enabled_any $ENCODER_LIST && enable encoders
5666fd73 2655enabled_any $HWACCEL_LIST && enable hwaccels
7483e694
DB
2656enabled_any $BSF_LIST && enable bsfs
2657enabled_any $DEMUXER_LIST && enable demuxers
2658enabled_any $MUXER_LIST && enable muxers
f7679c54 2659enabled_any $FILTER_LIST && enable filters
63d72fda
DB
2660enabled_any $INDEV_LIST && enable indevs
2661enabled_any $OUTDEV_LIST && enable outdevs
7483e694
DB
2662enabled_any $PROTOCOL_LIST && enable protocols
2663
2664enabled_any $THREADS_LIST && enable threads
2665
2666check_deps $CONFIG_LIST \
b6bb00b0 2667 $CONFIG_EXTRA \
7483e694
DB
2668 $HAVE_LIST \
2669 $DECODER_LIST \
2670 $ENCODER_LIST \
5666fd73 2671 $HWACCEL_LIST \
7483e694
DB
2672 $PARSER_LIST \
2673 $BSF_LIST \
2674 $DEMUXER_LIST \
2675 $MUXER_LIST \
f7679c54 2676 $FILTER_LIST \
7483e694
DB
2677 $INDEV_LIST \
2678 $OUTDEV_LIST \
2679 $PROTOCOL_LIST \
f70f03f6 2680
c8a4ae00
MR
2681enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2682
3e89171a 2683echo "install prefix $prefix"
f36958f8
DB
2684echo "source path $source_path"
2685echo "C compiler $cc"
bfd5afd8 2686echo ".align is power-of-two $asmalign_pot"
f36958f8 2687echo "ARCH $arch ($cpu)"
ce8871c2
MR
2688if test "$build_suffix" != ""; then
2689 echo "build suffix $build_suffix"
eb94aca9 2690fi
ac63af34
DB
2691if test "$extra_version" != ""; then
2692 echo "version string suffix $extra_version"
2693fi
0db2ce77 2694echo "big-endian ${bigendian-no}"
e90f5b5a 2695echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2696if enabled x86; then
af44e8e4 2697 echo "yasm ${yasm-no}"
0db2ce77 2698 echo "MMX enabled ${mmx-no}"
30e98e62 2699 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2700 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2701 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2702 echo "SSE enabled ${sse-no}"
30e98e62 2703 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2704 echo "CMOV enabled ${cmov-no}"
2705 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2706 echo "EBX available ${ebx_available-no}"
2707 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2708 echo "10 operands supported ${ten_operands-no}"
e41e8342 2709fi
5b6c2cbd 2710if enabled arm; then
0db2ce77
MR
2711 echo "ARMv5TE enabled ${armv5te-no}"
2712 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2713 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2714 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2715 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2716 echo "NEON enabled ${neon-no}"
eba9ae3c 2717fi
5b6c2cbd 2718if enabled mips; then
0db2ce77 2719 echo "MMI enabled ${mmi-no}"
e41e8342 2720fi
5b6c2cbd 2721if enabled ppc; then
0db2ce77 2722 echo "AltiVec enabled ${altivec-no}"
30e98e62 2723 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2724 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2725 echo "performance report ${powerpc_perf-no}"
2726fi
2727if enabled sparc; then
2728 echo "VIS enabled ${vis-no}"
e41e8342 2729fi
0db2ce77
MR
2730echo "gprof enabled ${gprof-no}"
2731echo "debug symbols ${debug-no}"
87a0fb62 2732echo "strip symbols ${stripping-no}"
8400d6b8 2733echo "optimizations ${optimizations-no}"
0db2ce77
MR
2734echo "static ${static-no}"
2735echo "shared ${shared-no}"
4a24ab64 2736echo "postprocessing support ${postproc-no}"
f7679c54 2737echo "new filter support ${avfilter-no}"
81124ba0 2738echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2739echo "network support ${network-no}"
90be59ef 2740if enabled network; then
0db2ce77 2741 echo "IPv6 support ${ipv6-no}"
bfd5afd8 2742fi
0db2ce77
MR
2743echo "threading support ${thread_type-no}"
2744echo "SDL support ${sdl-no}"
0db2ce77
MR
2745echo "Sun medialib support ${mlib-no}"
2746echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2747echo "libdc1394 support ${libdc1394-no}"
690bfceb 2748echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2749echo "libfaac enabled ${libfaac-no}"
2750echo "libfaad enabled ${libfaad-no}"
7e0871a7 2751echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2752echo "libgsm enabled ${libgsm-no}"
2753echo "libmp3lame enabled ${libmp3lame-no}"
2754echo "libnut enabled ${libnut-no}"
0b175caa
DB
2755echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2756echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2757echo "libopenjpeg enabled ${libopenjpeg-no}"
f7cd9eed 2758echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2759echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2760echo "libtheora enabled ${libtheora-no}"
2761echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2762echo "libx264 enabled ${libx264-no}"
2763echo "libxvid enabled ${libxvid-no}"
0db2ce77 2764echo "zlib enabled ${zlib-no}"
f402916e 2765echo "bzlib enabled ${bzlib-no}"
2c62e737 2766echo
de6d9b64 2767
5666fd73 2768for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2769 echo "Enabled ${type}s:"
f65c9da1 2770 eval list=\$$(toupper $type)_LIST
8138b9db 2771 for part in $list; do
f65c9da1
MR
2772 enabled $part && echo ${part%_*}
2773 done | sort | pr -3 -t
2774 echo
8138b9db
RP
2775done
2776
ba7a7039 2777license="LGPL version 2.1 or later"
ba321adb 2778if enabled nonfree; then
ba7a7039 2779 license="nonfree and unredistributable"
9cad0e4e
DB
2780elif enabled gplv3; then
2781 license="GPL version 3 or later"
2782elif enabled lgplv3; then
2783 license="LGPL version 3 or later"
ba321adb 2784elif enabled gpl; then
ba7a7039 2785 license="GPL version 2 or later"
ba321adb
JK
2786fi
2787
2788echo "License: $license"
ca5323af 2789
cf1392e9
DB
2790echo "Creating config.mak and config.h..."
2791
df642790
MR
2792# build tree in object directory if source path is different from current one
2793if enabled source_path_used; then
2794 DIRS="
2795 doc
2796 libavcodec
2797 libavcodec/$arch
2798 libavdevice
2799 libavfilter
2800 libavformat
2801 libavutil
2802 libavutil/$arch
2803 libpostproc
2804 libswscale
2805 libswscale/$arch
2806 tests
2807 tools
2808 "
2809 FILES="
2810 Makefile
2811 common.mak
2812 subdir.mak
2813 doc/texi2pod.pl
2814 libavcodec/Makefile
2815 libavdevice/Makefile
2816 libavfilter/Makefile
2817 libavformat/Makefile
2818 libavutil/Makefile
2819 libpostproc/Makefile
2820 libswscale/Makefile
2821 "
2822 for dir in $DIRS ; do
2823 mkdir -p $dir
2824 done
2825 for f in $FILES ; do
2826 $ln_s "$source_path/$f" $f
2827 done
2828fi
2829
ad212cc6
MR
2830enabled stripping || strip="echo skipping strip"
2831
173c983b
MR
2832cat > config.mak <<EOF
2833# Automatically generated by configure - do not modify!
2834ifndef FFMPEG_CONFIG_MAK
2835FFMPEG_CONFIG_MAK=1
2836FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2837prefix=$prefix
2838LIBDIR=\$(DESTDIR)$libdir
2839SHLIBDIR=\$(DESTDIR)$shlibdir
2840INCDIR=\$(DESTDIR)$incdir
2841BINDIR=\$(DESTDIR)$bindir
2842DATADIR=\$(DESTDIR)$datadir
2843MANDIR=\$(DESTDIR)$mandir
2844SRC_PATH="$source_path"
2845SRC_PATH_BARE=$source_path
2846BUILD_ROOT="$PWD"
2847ARCH=$arch
2848CC=$cc
2849AS=$as
2850LD=$ld
2851DEPCC=$dep_cc
2852YASM=$yasmexe
2853AR=$ar
2854RANLIB=$ranlib
2855LN_S=$ln_s
2856STRIP=$strip
2857CPPFLAGS=$CPPFLAGS
2858CFLAGS=$CFLAGS
2859ASFLAGS=$ASFLAGS
2860CC_O=$CC_O
2861LDFLAGS=$LDFLAGS
2862FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2863SHFLAGS=$SHFLAGS
2864YASMFLAGS=$YASMFLAGS
2865BUILDSUF=$build_suffix
2866FULLNAME=$FULLNAME
2867LIBPREF=$LIBPREF
2868LIBSUF=$LIBSUF
2869LIBNAME=$LIBNAME
2870SLIBPREF=$SLIBPREF
2871SLIBSUF=$SLIBSUF
2872EXESUF=$EXESUF
2873EXTRA_VERSION=$extra_version
2874DEPFLAGS=$DEPFLAGS
2875CCDEP=$CCDEP
2876ASDEP=$ASDEP
2877CC_DEPFLAGS=$CC_DEPFLAGS
2878AS_DEPFLAGS=$AS_DEPFLAGS
2879HOSTCC=$host_cc
2880HOSTCFLAGS=$host_cflags
2881HOSTEXESUF=$HOSTEXESUF
2882HOSTLDFLAGS=$host_ldflags
2883HOSTLIBS=$host_libs
2884TARGET_EXEC=$target_exec
2885TARGET_PATH=$target_path
2886SDL_LIBS=$sdl_libs
2887SDL_CFLAGS=$sdl_cflags
2888LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
2889EXTRALIBS=$extralibs
2890EOF
5a872801 2891
719c8e00
MR
2892get_version(){
2893 name=$1
2894 file=$source_path/$2
147e7692
MR
2895 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
2896 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
2897 lcname=$(tolower $name)
2898 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
2899 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
2900}
2901
147e7692
MR
2902get_version LIBSWSCALE libswscale/swscale.h
2903get_version LIBPOSTPROC libpostproc/postprocess.h
2904get_version LIBAVCODEC libavcodec/avcodec.h
2905get_version LIBAVDEVICE libavdevice/avdevice.h
2906get_version LIBAVFORMAT libavformat/avformat.h
2907get_version LIBAVUTIL libavutil/avutil.h
a6601d69 2908get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 2909
173c983b
MR
2910enabled shared && cat >> config.mak <<EOF
2911LIBTARGET=${LIBTARGET}
2912SLIBNAME=${SLIBNAME}
2913SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
2914SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
2915SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
2916SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
2917SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
2918SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2919EOF
523ef551 2920
173c983b
MR
2921enabled asmalign_pot || align_shift="1 <<"
2922
2923cat > $TMPH <<EOF
2924/* Automatically generated by configure - do not modify! */
2925#ifndef FFMPEG_CONFIG_H
2926#define FFMPEG_CONFIG_H
2927#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 2928#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
2929#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
2930#define CC_TYPE "$cc_type"
2931#define CC_VERSION $cc_version
2932#define restrict $_restrict
2933#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
2934#define EXTERN_PREFIX "${extern_prefix}"
2935#define EXTERN_ASM ${extern_prefix}
2936EOF
523ef551
DB
2937
2938if enabled small || disabled optimizations; then
2939 echo "#define av_always_inline" >> $TMPH
2940fi
2941
3d907e22
MR
2942print_config ARCH_ $TMPH config.mak $ARCH_LIST
2943print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 2944print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 2945 $CONFIG_EXTRA \
7483e694
DB
2946 $DECODER_LIST \
2947 $ENCODER_LIST \
5666fd73 2948 $HWACCEL_LIST \
7483e694
DB
2949 $PARSER_LIST \
2950 $BSF_LIST \
2951 $DEMUXER_LIST \
2952 $MUXER_LIST \
f7679c54 2953 $FILTER_LIST \
7483e694
DB
2954 $PROTOCOL_LIST \
2955 $INDEV_LIST \
2956 $OUTDEV_LIST \
8ac17293 2957
9c05103f 2958echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 2959echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 2960
b7860763 2961# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 2962cp_if_changed $TMPH config.h
3d204385 2963
a3e02a8c
MR
2964cat > $TMPH <<EOF
2965/* Generated by ffconf */
2966#ifndef AVUTIL_AVCONFIG_H
2967#define AVUTIL_AVCONFIG_H
2968EOF
2969
2970print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
2971
2972echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
2973
2974cp_if_changed $TMPH libavutil/avconfig.h
2975
d0674868 2976# build pkg-config files
def4272a 2977
d0674868
DB
2978pkgconfig_generate(){
2979name=$1
b0dfd108 2980shortname=${name#lib}${build_suffix}
d0674868
DB
2981comment=$2
2982version=$3
2983libs=$4
2984requires=$5
25cd5cb3 2985cat <<EOF > $name/$name.pc
3e89171a 2986prefix=$prefix
a94e666c 2987exec_prefix=\${prefix}
f2b7382c 2988libdir=$libdir
7622778e 2989includedir=$incdir
def4272a 2990
d0674868
DB
2991Name: $name
2992Description: $comment
2993Version: $version
8cd6b388 2994Requires: $(enabled shared || echo $requires)
5dcfe9f8 2995Requires.private: $(enabled shared && echo $requires)
def4272a 2996Conflicts:
8cd6b388 2997Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 2998Libs.private: $(enabled shared && echo $libs)
76a448ed 2999Cflags: -I\${includedir}
def4272a 3000EOF
25cd5cb3 3001cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3002prefix=
3003exec_prefix=
46d1ff83 3004libdir=\${pcfiledir}
1d44d365 3005includedir=${source_path}
def4272a 3006
d0674868
DB
3007Name: $name
3008Description: $comment
3009Version: $version
3010Requires: $requires
def4272a 3011Conflicts:
12701f6e 3012Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3013Cflags: -I\${includedir}
3014EOF
d0674868 3015}
def4272a 3016
e426941d 3017pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3018pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3019pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3020pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3021enabled avfilter &&
46983309 3022 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3023enabled postproc &&
e426941d 3024 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3025pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"